# Defold Druid UI Library

# Module `DruidEvent`

Druid lua event library

## Functions

clear(self) | Clear the all event handlers
initialize(self, initial_callback) | Event constructur
is_exist(self) | Return true, if event have at lease one handler
subscribe(self, callback, context) | Subscribe callback on event
trigger(self, ...) | Trigger the event and call all subscribed callbacks
unsubscribe(self, callback, context) | Unsubscribe callback on event

## Functions

clear(self)
  Clear the all event handlers

  ### Parameters:

  - self DruidEvent DruidEvent
initialize(self, initial_callback)
  Event constructur

  ### Parameters:

  - self DruidEvent DruidEvent
  - initial_callback function Subscribe the callback on new event, if callback exist
is_exist(self)
  Return true, if event have at lease one handler

  ### Parameters:

  - self DruidEvent DruidEvent

  ### Returns:

  bool True if event have handlers
subscribe(self, callback, context)
  Subscribe callback on event

  ### Parameters:

  - self DruidEvent DruidEvent
  - callback function Callback itself
  - context table Additional context as first param to callback call
trigger(self, ...)
  Trigger the event and call all subscribed callbacks

  ### Parameters:

  - self DruidEvent DruidEvent
  - ... any All event params
unsubscribe(self, callback, context)
  Unsubscribe callback on event

  ### Parameters:

  - self DruidEvent DruidEvent
  - callback function Callback itself
  - context table Additional context as first param to callback call

generated by LDoc TESTING Last updated 2015-01-01 12:00:00